1542539712 has 224 divisors, whose sum is σ = 4915814400. Its totient is φ = 417364992.

The previous prime is 1542539711. The next prime is 1542539729. The reversal of 1542539712 is 2179352451.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542539711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4296589 + ... + 4296947.

It is an arithmetic number, because the mean of its divisors is an integer number (21945600).

Almost surely, 2^1542539712 is an apocalyptic number.

1542539712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542539712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457907200).

1542539712 is an abundant number, since it is smaller than the sum of its proper divisors (3373274688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1542539712 is a wasteful number, since it uses less digits than its factorization.

1542539712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 533 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 1542539712 is about 39275.1793375918. The cubic root of 1542539712 is about 1155.4348198862.

The spelling of 1542539712 in words is "one billion, five hundred forty-two million, five hundred thirty-nine thousand, seven hundred twelve".